Tangible assets - Disclosure of maturity analysis of operating lease payments (Details) - Santander US Auto € in Millions |
Dec. 31, 2025
EUR (€)
|
|---|---|
| 2026 | |
| Disclosure of maturity analysis of operating lease payments [line items] | |
| Undiscounted operating lease payments to be received | € 3,988 |
| 2027 | |
| Disclosure of maturity analysis of operating lease payments [line items] | |
| Undiscounted operating lease payments to be received | 4,228 |
| 2028 | |
| Disclosure of maturity analysis of operating lease payments [line items] | |
| Undiscounted operating lease payments to be received | 1,332 |
| 2029 | |
| Disclosure of maturity analysis of operating lease payments [line items] | |
| Undiscounted operating lease payments to be received | € 330 |